/Engine/Source/Runtime/Engine/Public/Animation/AnimRootMotionProvider.h
Given the specified time range, sequence, and looping behavior, sample a root motion delta and store it in the specified attribute container.
void SampleRootMotion ( const [FDeltaTimeRecord](API\Runtime\Engine\Animation\FDeltaTimeRecord) & SampleRange, const [UAnimSequence](API\Runtime\Engine\Animation\UAnimSequence) & Sequence, bool bLoopingSequence, [FStackAttributeContainer](API\Runtime\Engine\Animation\FStackAttributeContainer) & OutAttributes ) const